CN212551292U - Mould with material returned protection - Google Patents
Mould with material returned protection Download PDFInfo
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- CN212551292U CN212551292U CN202021049470.4U CN202021049470U CN212551292U CN 212551292 U CN212551292 U CN 212551292U CN 202021049470 U CN202021049470 U CN 202021049470U CN 212551292 U CN212551292 U CN 212551292U
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- mounting hole
- cushion block
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Abstract
A die with material returning protection function comprises an upper die and a lower die. The upper die comprises an installation part, a punching rod and a stripping unit. The mounting portion includes a main body, a punch mounting hole, a pad mounting hole, and a guide rod mounting hole. One end of the guide rod mounting hole is communicated with the cushion block mounting hole, and the other end of the guide rod mounting hole is communicated with the main body and is arranged at one end of the punch rod mounting hole. The punching rod is fixedly connected in the punching rod mounting hole. The stripping unit comprises a stripper plate, a guide rod and a cushion block, wherein the guide rod is accommodated in the guide rod mounting hole and fixedly connected to the stripper plate, and the cushion block is accommodated in the cushion block mounting hole and connected to one end of the guide rod. The thickness of the cushion block is smaller than the height of the cushion block mounting hole, so that the cushion block can move in the cushion block mounting hole to drive the guide rod and the stripper plate to move. The die with the material returning protection function is simple in structure, the forming of workpieces is protected, and the product quality and the production efficiency are improved.
Description
Technical Field
The utility model belongs to the technical field of the mould, especially a mould with material returned protection.
Background
The industrial production of the die is used for obtaining various dies and tools of required products by methods such as injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and the like. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".
At present, when a die punches a hole in a workpiece, the pressure is too high during punching, the workpiece is tightly sleeved on a punching rod, and when the workpiece is punched again, the workpiece is sleeved on the punching rod, so that the workpiece cannot be punched, the working efficiency is influenced, and other workpieces can be damaged.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can improve production efficiency's mould that has material returned protection to satisfy the industrial demand.
A die with material returning protection comprises an upper die and a lower die, wherein the lower die is arranged on one side of the upper die and used for accommodating a workpiece. The upper die comprises an installation part, a punch rod fixedly connected to one end of the installation part, and a stripping unit arranged on the installation part. The installation part comprises a main body, a punching rod installation hole arranged at one end of the main body, a cushion block installation hole arranged at the other end of the main body, and a plurality of guide rod installation holes arranged on the main body. One end of the guide rod mounting hole is communicated with the cushion block mounting hole, and the other end of the guide rod mounting hole is communicated with the main body and is arranged at one end of the punch rod mounting hole. The punching rod is fixedly connected in the punching rod mounting hole. The stripping unit comprises a stripper plate, a plurality of guide rods and a cushion block, wherein the stripper plate is arranged at one end of the mounting portion and sleeved outside the punch rod, the guide rods are accommodated in the guide rod mounting holes and fixedly connected to guide rods on the stripper plate, and the cushion block is accommodated in the cushion block mounting holes and connected to the cushion block at one end of the guide rods. The thickness of the cushion block is smaller than the height of the cushion block mounting hole, so that the cushion block can move in the cushion block mounting hole to drive the guide rod and the stripper plate to move.
Furthermore, the lower die comprises a lower die shell, a die core arranged on the lower die shell, an inner die arranged in the lower die shell, a locking tooth arranged at one end of the lower die shell, and an ejector rod inserted in the inner die.
Furthermore, the lower die shell comprises a lower die shell main body, a first mounting hole formed in the lower die shell main body, and a second mounting hole formed in the lower die shell main body, wherein the diameter of the first mounting hole is smaller than that of the second mounting hole.
Furthermore, the mold core comprises a first mold core accommodated in the first mounting hole, a second mold core arranged at one end of the first mold core, a first molding hole arranged on the first mold core, and a second molding hole arranged on the second mold core, wherein the first molding hole and the second molding hole are communicated with each other.
Further, the diameter of the first forming hole is larger than the diameter of the second forming hole.
Furthermore, the centre form includes an centre form main part, one sets up centre form main part one end connecting piece, one sets up the centre form main part dorsad the mould benevolence mounting hole of connecting piece one end, and one sets up the centre form main part with excellent mounting hole of top on the connecting piece, the excellent mounting hole of top with mould benevolence mounting hole communicates each other, the diameter of centre form main part is greater than the diameter of connecting piece, lock the tooth cover and establish on the connecting piece.
Further, the stripper plate is attached to the outer side of the punch rod.
Further, the stripper plate and the guide rod are connected together through screws.
Compared with the prior art, the utility model provides a mould with material returned protection passes through go up the mould and set up the material unit of taking off. The stripping unit comprises a stripper plate, a plurality of guide rods and a cushion block, wherein the stripper plate is arranged at one end of the mounting portion and sleeved outside the punch rod, the guide rods are accommodated in the guide rod mounting holes and fixedly connected to guide rods on the stripper plate, and the cushion block is accommodated in the cushion block mounting holes and connected to the cushion block at one end of the guide rods. The cushion block drives the guide rod and the stripper plate to move. In the stamping process, the upper die moves towards the lower die, the stamping rod stamps the workpiece, and after the stamping rod stamps the workpiece, the cushion block drives the stripper plate to move towards the lower die and collide the workpiece, so that the workpiece is separated from the stamping rod, and the upper die is prevented from driving the workpiece to be stamped continuously. The die with the material returning protection function is simple in structure, the forming of workpieces is protected, and the product quality and the production efficiency are improved.
Drawings
Fig. 1 is a schematic structural view of the mold with material returning protection provided by the present invention.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
As shown in fig. 1, it is a schematic structural diagram of the mold with material returning protection provided by the present invention. The mold with material return protection comprises an upper mold 10, a lower mold 20 disposed at one side of the upper mold 10 and receiving the workpiece 1, and other functional modules, such as assembly components and the like, which should be known to those skilled in the art, and will not be described in detail herein.
Go up mould 10 and include an installation department 11, a fixed connection in the punching rod 12 of installation department 11 one end, and one set up take off material unit 13 on the installation department 11.
The mounting portion 11 includes a main body 111, a plunger mounting hole 112 formed at one end of the main body 111, a pad mounting hole 113 formed at the other end of the main body 111, and a plurality of guide rod mounting holes 114 formed at the main body 111.
One end of the guide rod mounting hole 114 is communicated with the cushion block mounting hole 113, and the other end of the guide rod mounting hole is communicated with the main body 111 and is arranged at one end of the punch rod mounting hole 112, and it is conceivable that the guide rod mounting hole 114 communicates the cushion block mounting hole 113 with one end of the main body 111 arranged at the punch rod mounting hole 112, so that the stripping unit 13 is convenient to mount.
The punch rod 12 is fixedly connected in the punch rod mounting hole 112, so that the punch rod 12 is connected with the mounting part 11.
The stripping unit 13 includes a stripper plate 131 disposed at one end of the mounting portion 11 and sleeved outside the plunger 12, a plurality of guide rods 132 received in the guide rod mounting holes 114 and fixedly connected to the stripper plate 131, and a spacer 133 received in the spacer mounting holes 113 and connected to one end of the guide rods 132.
The stripper plate 131 is attached to the outer side of the punch 12 to ensure that the punch 12 can abut against the workpiece 1. The stripper plate 131 and the guide rod 132 are connected together by screws. The thickness of the pad 133 is smaller than the height of the pad mounting hole 113, so that the pad 133 can move in the pad mounting hole 113 to drive the guide rod 132 and the stripper plate 131 to move. In the stamping process, the upper die 10 moves towards the lower die 20, the stamping rod 12 stamps the workpiece 1, and after the stamping rod 12 stamps the workpiece 1, the cushion block 133 drives the stripper plate 131 to move towards the lower die 20 and collide with the workpiece 1, so that the workpiece 1 is separated from the stamping rod 12, and the upper die 10 is prevented from driving the workpiece 1 to continue stamping.
The lower mold 20 includes a lower mold shell 21, a mold core 22 disposed on the lower mold shell 21, an inner mold 23 disposed in the lower mold shell 21, a locking tooth 24 disposed at one end of the lower mold shell 21, and a post rod 25 inserted in the inner mold 23.
The lower mold shell 21 includes a lower mold shell main body 211, a first mounting hole 212 provided on the lower mold shell main body 211, and a second mounting hole 213 provided on the lower mold shell main body 211. The diameter of the first mounting hole 212 is smaller than that of the second mounting hole 213, so that the connecting position of the first mounting hole 212 and the second mounting hole 213 is stepped to stabilize the position of the inner mold 23 in the lower mold shell body 211.
The mold core 22 includes a first mold core 221 received in the first mounting hole 212, a second mold core 222 disposed at one end of the first mold core 221, a first molding hole 223 disposed on the first mold core 221, and a second molding hole 224 disposed on the second mold core 222. The first molding hole 223 and the second molding hole 224 communicate with each other. The first forming hole 223 has a larger diameter than the second forming hole 224 so as to punch the workpiece 1 into two rod bodies with different diameters.
The inner mold 23 includes an inner mold main body 231, a connecting member 232 provided at an end of the inner mold main body 231, a mold core mounting hole 233 provided at an end of the inner mold main body 231 facing away from the connecting member 232, and a knock rod mounting hole 234 provided at the inner mold main body 231 and the connecting member 232. The ejector rod mounting hole 234 is communicated with the first molding hole 223 and the second molding hole 224, and the second mold core 222 is received in the mold core mounting hole 233.
The locking teeth 24 are sleeved on the connecting member 232, the diameter of the inner mold main body 231 is larger than that of the connecting member 232, it is conceivable that a step shape is formed between the inner mold main body 231 and the connecting member 232, the locking teeth 24 are inserted into the second mounting holes 213, and one end of the locking teeth 24 abuts against the inner mold main body 231 to limit the position of the inner mold 23.
The ejector rod 25 is accommodated in the ejector rod mounting hole 234, and after the punching is completed, the ejector rod 25 slides along the ejector rod mounting hole 234, the first forming hole 223, and the second forming hole 224 to eject the formed workpiece 1, and the ejector rod 25 is a prior art and is not described herein again.
Compared with the prior art, the utility model provides a mould with material returned protection is through go up the setting on the mould 10 and take off material unit 13. The stripping unit 13 includes a stripper plate 131 disposed at one end of the mounting portion 11 and sleeved outside the plunger 12, a plurality of guide rods 132 received in the guide rod mounting holes 114 and fixedly connected to the stripper plate 131, and a spacer 133 received in the spacer mounting holes 113 and connected to one end of the guide rods 132. The guide rods 132 and the stripper plate 131 are driven by the spacers 133 to move. In the stamping process, the upper die 10 moves towards the lower die 20, the stamping rod 12 stamps the workpiece 1, and after the stamping rod 12 stamps the workpiece 1, the cushion block 133 drives the stripper plate 131 to move towards the lower die 20 and collide with the workpiece 1, so that the workpiece 1 is separated from the stamping rod 12, and the upper die 10 is prevented from driving the workpiece 1 to continue stamping. The die with the material returning protection function is simple in structure, the forming of workpieces is protected, and the product quality and the production efficiency are improved.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (8)
1. The utility model provides a mould with material returned protection which characterized in that: the die with the material returning protection comprises an upper die, a lower die which is arranged on one side of the upper die and used for accommodating a workpiece, wherein the upper die comprises an installation part, a punching rod which is fixedly connected to one end of the installation part, and a material returning unit which is arranged on the installation part, the installation part comprises a main body, a punching rod installation hole which is arranged at one end of the main body, a cushion block installation hole which is arranged at the other end of the main body, and a plurality of guide rod installation holes which are arranged on the main body, one end of each guide rod installation hole is communicated with the cushion block installation hole, the other end of each guide rod installation hole is communicated with one end of the main body which is arranged at the punching rod installation hole, the punching rod is fixedly connected in the punching rod installation hole, the material returning unit comprises a material returning plate which is arranged at one end of the installation part and is sleeved outside the punching rod, and a plurality, and the cushion block is accommodated in the cushion block mounting hole and connected to one end of the guide rod, and the thickness of the cushion block is smaller than the height of the cushion block mounting hole, so that the cushion block can move in the cushion block mounting hole to drive the guide rod and the stripper plate to move.
2. The mold with material return protection as in claim 1, wherein: the lower die comprises a lower die shell, a die core arranged on the lower die shell, an inner die arranged in the lower die shell, a locking tooth arranged at one end of the lower die shell, and an ejector rod inserted in the inner die.
3. The mold with material return protection as in claim 2, wherein: the lower die shell comprises a lower die shell main body, a first mounting hole formed in the lower die shell main body and a second mounting hole formed in the lower die shell main body, wherein the diameter of the first mounting hole is smaller than that of the second mounting hole.
4. A mold with stripper protection as defined in claim 3, wherein: the mold core comprises a first mold core accommodated in the first mounting hole, a second mold core arranged at one end of the first mold core, a first molding hole arranged on the first mold core, and a second molding hole arranged on the second mold core, wherein the first molding hole is communicated with the second molding hole.
5. The mold with material return protection as in claim 4, wherein: the first forming hole has a diameter larger than the second forming hole.
6. The mold with material return protection as in claim 2, wherein: the centre form includes an centre form main part, and a setting is in centre form main part one end connecting piece, a setting is in the centre form main part dorsad the mould benevolence mounting hole of connecting piece one end, and a setting is in the centre form main part with excellent mounting hole on the connecting piece, excellent mounting hole with mould benevolence mounting hole communicates each other, the diameter of centre form main part is greater than the diameter of connecting piece, lock the tooth cover and establish on the connecting piece.
7. The mold with material return protection as in claim 1, wherein: the stripper plate is attached to the outer side of the punch rod.
8. The mold with material return protection as in claim 1, wherein: the stripper plate and the guide rod are connected together through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049470.4U CN212551292U (en) | 2020-06-09 | 2020-06-09 | Mould with material returned protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049470.4U CN212551292U (en) | 2020-06-09 | 2020-06-09 | Mould with material returned protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212551292U true CN212551292U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021049470.4U Active CN212551292U (en) | 2020-06-09 | 2020-06-09 | Mould with material returned protection |
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| CN (1) | CN212551292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118361A (en) * | 2021-04-08 | 2021-07-16 | 浙江华远汽车科技股份有限公司 | Broaching and stripping die |
-
2020
- 2020-06-09 CN CN202021049470.4U patent/CN212551292U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118361A (en) * | 2021-04-08 | 2021-07-16 | 浙江华远汽车科技股份有限公司 | Broaching and stripping die |
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